Xerosis and Use of Topical Moisturizer

Adult subjects will be offered an opportunity to participate in the study. Subjects will have a diagnosis of xerosis in the context (current or historic) of atopic dermatitis. A total of 30 subjects will be enrolled. After consent and basic demographics, a study team member will use the GPSkin Barrier® device to measure the baseline moisture level of the inner wrist, inner elbow, and dorsal hand of all subjects. Subjects will also fill out questionnaires pertaining to quality of life, measures of predictors of adherence, and severity of xerosis. Subjects will be randomized into one of three arms: the control group (n= 10), the electronic interaction group to assess patient's response to daily moisturizer (n=10), or the GPSkin group (n=10). All patients will receive Cetaphil Pro Eczema moisturizer equipped with an electronic monitor to measure adherence to daily treatment of xerosis. The digital interaction group will receive a survey by email each week asking about their Cetaphil use. The patients in the GPSkin group will receive the GPSkin Barrier® to measure the moisture level of their inner wrist, inner elbow, and dorsal hand daily. Subjects will be instructed to use the Cetaphil once daily. Subjects will return at 3 months. At this visit, the data from the electronic adherence monitoring will be downloaded, the Cetaphil will be weighed, the patient will fill out the same questionnaires (quality of life, measures of predictors of adherence, and severity of xerosis), and the stratum corneum hydration level will be measured. The intervention subjects will be evaluated on their use of the GPSkin Barrier® to measure their stratum corneum hydration